#include "opencv2/opencv.hpp"
#include "opencv2/calib3d.hpp"

int main() {

    cv::Mat matR = cv::Mat::eye(3, 3, CV_64F);

    matR.at<double>(0, 0) = 1.0;
    matR.at<double>(1, 1) = 2.0;
    matR.at<double>(2, 2) = 3.0;

    double _om[3];
    cv::Mat om = cv::Mat(3, 1, CV_64F, _om);



    return 0;
}
